A voice output system for providing a voice output to a user of a subcomponent of an automation system. In a see-through plan view of the insulating base from a one main surface side, the recessed portion extends in one direction, and the through conductor is disposed in a periphery of an end portion of the recessed portion. Control elements within the form comprise images which are used to construct the control elements and larger controls. The first substrate has a plurality of pixel structures disposed corresponding to the sub-pixel regions.